/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package jdk.nashorn.api.tree;

import jdk.nashorn.internal.ir.Expression;
import jdk.nashorn.internal.ir.UnaryNode;
import jdk.nashorn.internal.parser.TokenType;

final class YieldTreeImpl extends ExpressionTreeImpl
        implements YieldTree {

    private final ExpressionTree expr;

    YieldTreeImpl(final Expression exprNode, final ExpressionTree expr) {
        super(exprNode);
        this.expr = expr;
    }

    @Override
    public Kind getKind() {
        return Kind.YIELD;
    }

    @Override
    public ExpressionTree getExpression() {
        return expr;
    }

    @Override
    public boolean isStar() {
        return ((UnaryNode) node).isTokenType(TokenType.YIELD_STAR);
    }

    @Override
    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
        return visitor.visitYield(this, data);
    }
}